Perfecto Canopies are the economical, yet stylish way to top off your aquarium. With a polypropylene hinge for easy access to your tank, as well as a plastic back strip that can be cut for heaters, filters, etc., these canopies provide protection for your fish while allowing you to customize your lighting setup. Long-lasting performance, made to fit all Perfecto Aquariums. Glass top contains 2 sections for use with 125 and 150 gallon Perfecto Aquariums.